"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 导入导出、备份恢复工具支持M*兼容性
Case Name   : 导出导入rename table语法
Create At   : 2023.05.04
Owner       : z@wan005
Description :
    1.创建兼容b库
    2.兼容b库下建表并使用rename语句重命名
    3.跨模式修改表名
    4.使用gs_dump工具导出纯文本格式
    5.gsql导入
    6.连接导入库查询表
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.重命名后的表导入成功
    7.成功
History     :
"""

import os
import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class GsDump0052(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.dbuser_node = Node('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_dump_0052"
        self.tb_name = "tb_dump_0052"
        self.schema_name = "schema_dump_0052"
        self.dump_path = os.path.join(macro.DB_BACKUP_PATH, 'dump0052')

    def test_server_tools(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        text = '----step1: 创建兼容b库 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} dbcompatibility 'b';" \
                  f"drop database if exists {self.db_name}_01;" \
                  f"create database {self.db_name}_01 dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_result)
        self.assertEqual(2, sql_result.count(
            self.constant.CREATE_DATABASE_SUCCESS), '执行失败:' + text)

        text = '--step2: 兼容b库下建表并使用rename语句重命名 expect: 成功--'
        self.log.info(text)
        sql_cmd = f'''drop table if exists {self.tb_name},{self.tb_name}_01;
        create table {self.tb_name}(id int);
        create table {self.tb_name}_01(id int) with(segment=on);
        rename table {self.tb_name} to {self.tb_name}_new, {self.tb_name}_01 \
        to {self.tb_name}_01_new;'''
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertEqual(2,
                         sql_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         '执行失败:' + text)
        self.assertIn(self.constant.ALTER_TABLE_MSG, sql_result,
                      '执行失败:' + text)

        text = '--step3: 跨模式修改表名 expect: 成功--'
        self.log.info(text)
        sql_cmd = f"drop schema if exists {self.schema_name};" \
                  f"create schema {self.schema_name};" \
                  f"drop table if exists {self.tb_name}_02;" \
                  f"create table {self.tb_name}_02(id int);" \
                  f"rename table {self.tb_name}_02 to " \
                  f"{self.schema_name}.{self.tb_name}_02_new;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertIn(self.constant.CREATE_SCHEMA_SUCCESS_MSG, sql_result,
                      '执行失败:' + text)
        self.assertIn(self.constant.TABLE_CREATE_SUCCESS, sql_result,
                      '执行失败:' + text)
        self.assertIn(self.constant.ALTER_TABLE_MSG, sql_result,
                      '执行失败:' + text)

        text = '----step4: 使用gs_dump工具导出纯文本格式 expect: 成功----'
        self.log.info(text)
        gs_dump_cmd = f"source {macro.DB_ENV_PATH};" \
                      f"gs_dump " \
                      f"-p {self.dbuser_node.db_port}  " \
                      f"{self.db_name} " \
                      f"-f {self.dump_path}"
        self.log.info(gs_dump_cmd)
        dump_msg = self.dbuser_node.sh(gs_dump_cmd).result()
        self.log.info(dump_msg)
        self.assertIn(f"dump database {self.db_name} successfully", dump_msg,
                      '执行失败:' + text)

        text = '----step5: gsql导入 expect: 成功----'
        self.log.info(text)
        gsql_cmd = f"source {macro.DB_ENV_PATH};" \
                   f"gsql " \
                   f"-p {self.dbuser_node.db_port} " \
                   f"{self.db_name}_01 " \
                   f"-f {self.dump_path}"
        self.log.info(gsql_cmd)
        gsql_msg = self.dbuser_node.sh(gsql_cmd).result()
        self.log.info(gsql_msg)
        self.assertEqual(3, gsql_msg.count('CREATE TABLE'), '执行失败:' + text)

        text = '----step6: 连接导入库查询表 expect:重命名后的表导入成功----'
        self.log.info(text)
        sql_cmd = f"select relname from pg_class where relname like " \
                  f"'%{self.tb_name}%';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=f'{self.db_name}_01')
        self.log.info(sql_result)
        self.assertIn('(3 rows)', sql_result, '执行失败:' + text)
        self.assertIn('tb_dump_0052_01_new', sql_result, '执行失败:' + text)
        self.assertIn('tb_dump_0052_new', sql_result, '执行失败:' + text)
        self.assertIn('tb_dump_0052_02_new', sql_result, '执行失败:' + text)

    def tearDown(self):
        text = '---step7: 清理环境 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop database if exists {self.db_name}_01;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname='postgres')
        self.log.info(sql_result)
        rm_cmd = f"rm -rf {self.dump_path}"
        self.log.info(rm_cmd)
        rm_msg = self.dbuser_node.sh(rm_cmd).result()
        self.log.info(rm_msg)
        self.assertEqual(2,
                         sql_result.count(self.constant.DROP_DATABASE_SUCCESS),
                         '执行失败:' + text)
        self.assertEqual('', rm_msg)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
